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全部话题 - 话题: miss
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a****s
发帖数: 27
1
DELL E4310机子,Windows 7 Professional, SSD硬盘. 升级很顺利,重启时黑屏了,
显示missing operating system. 打电话问了微软,所谓的专家说是机子太老。
可是Clean Install没有一点问题,系统运行良好,但要Windows 10序列号激活(
Windows 7的序列号不行)。可见不是机子的问题。
按照专家的意见,格式化硬盘,重装了Windows 7,激活,下载补丁,再次升级到
Windows 10。重启时还是显示missing operating system。
看来微软真是在走下坡路了。
J**B
发帖数: 204
2
用Linux 都是大牛,请大牛们出来解答下。
【 以下文字转载自 CS 讨论区 】
发信人: JOOB (JOB), 信区: CS
标 题: Bootmgr is missing 肿么办?
发信站: BBS 未名空间站 (Thu Jan 26 10:41:48 2012, 美东)
Thinkpad T400 重装系统后总是出现 Bootmgr is missing ,please enter ctrl +alt+
del to restart.
求解决方案!!
t****t
发帖数: 6806
3
i wouldn't say impossible, but surely it depends on your cache size vs data
size. I assume your 0 miss rate means for every data used, it's read from
memory once and only once.
Given an access pattern, you can calculate (or simulate) the minimum cache
size you need. For some deterministic case, you can get 0 miss rate. But
other than that, it really depends.

spatial
statistics
we
c*********t
发帖数: 2921
4
Thanks.
In your answer to 3), what do you mean by "S&S"?
好像有人在jobhunting 很久以前提到过,把数字归位,就是说把数字放到在数组中应
该的位置,比如1->A[0], 2->A[1], ....然后看哪些位置的数字不对,就说明那个
index对应的数missing,不过好像是有m个数missing,有点tricky,能否忘这个方向想想?
谢谢!
h******o
发帖数: 334
5
A .txt file. Use the below java code to read the file and use a 2-D array (
one dimension for the users and other dimension for the products) to store
the order#. Also, use a dictionary to map each users to its corresponding
array row. How to replace the missing value with 0 in the 2D array?
Users, Products, order#:
name1 p1 5
name1 p2
name1 p3 2
name2 p1 3
name2 p2 1
name2 p3
name3 p1 5
name3 p2
name3 p3 2
name4 p1 3
name4... 阅读全帖
h******o
发帖数: 334
6
如果把missing value 用0替换后,就可以运行。我现在不知道怎么把missing value替
换成0当从文件中读取data。
o******d
发帖数: 743
7
在build 的时候,TexMaker 总跟我说很多纯文字段落 ! Missing $ inserted. <
inserted text>},到底什么意思?那里是纯文字段落,根本不需要什么 $。
然后它也老在根本不缺 } 的地方跟我说 missing }. 真是烦死我了。请指点。谢谢!
w*********n
发帖数: 126
8
【 以下文字转载自 Hardware 讨论区 】
发信人: winneragain (厚道牧民), 信区: Hardware
标 题: 双系统不能启动的问题 :BootMGR is missing
发信站: BBS 未名空间站 (Wed Feb 27 20:56:30 2008)
HP 的笔记本, 原装vista, 上个月又装了XP。一直用,没事。
今天进去vista里面,把C盘shrink 了一下,然后重启。
结果屏幕不在出现双系统界面,而是:
BootMGR is missing
press ctrl alt del to restart
请问如何解决这个问题?
前5个答案每人20新伪币
x**t
发帖数: 114
9
来自主题: Windows版 - help: lenovo x61s bootmgr is missing
reboot时受到错误信息说
lenovo x61s bootmgr is missing
用thinkvantage restore 以前的系统,还是说 bootmgr is missing
怎么办泥?痛苦中
l******r
发帖数: 18699
10
韩春雨的实验结果还没出来,miss颜就迫不及待的下结论。要是韩春雨真能够重复试验
,miss颜可以直接退出学术界了。

发帖数: 1
11
韩春雨的实验不管真实与否都跟miss颜没有任何关系的,要尊重每个人的言论自由。我
看了miss颜的言论,没感觉有什么过分之处,说话带点谨慎罢了,不至于退出学术界吧。
b***k
发帖数: 2673
12
来自主题: Quant版 - [合集] find a missing value(c++)
☆─────────────────────────────────────☆
ilovelp (nothing) 于 (Fri Jan 4 14:53:58 2008) 提到:
suppose you have a set of unsorted numbers from 1 to N (a big number, say 1
million). One number is missing, how to find that missing number most
efficiently?
Adding the number then subtract N(N+1)/2 may not be possible since the
number could be too big to store.
☆─────────────────────────────────────☆
Jadeson (Jadeson) 于 (Fri Jan 4 15:32:14 2008) 提到:
那就用高精度加法算法就是咯。
☆────────────────────────────
J**********g
发帖数: 213
13
Time Series Analysis and Statistical Arbitrage by Robert Almgren and Robert
Reider. It misses the notes from Robert Reider about trading strategies, or
maybe it simply does not give out the notes (we can use the strategies in
our work directly). I wonder if anyone here has/knows the missing part, or
can let me know how to get them. If you like, I can do the uploading (to
some website) part or whatever else.
Thank you.
http://cims.nyu.edu/~almgren/timeseries/
A*******s
发帖数: 3942
14
missing imputation 得先看missingness是not observable还是not applicable. 如果
是后者, missing imputation is not well defined. better do stratified
analysis.
当然在现实里很多人不管三七二十一就直接做了,只要能fit data,倒也不能说错。
p********a
发帖数: 5352
15
来自主题: Statistics版 - [合集] 如果我有很多missing data>50%
☆─────────────────────────────────────☆
harvestfly (叩桥而不渡) 于 (Mon Feb 5 17:21:10 2007) 提到:
该用什么方法来解决呢?肯定不合适用MI,reg, MCMC什么的了吧?请指教一下,谢谢了

☆─────────────────────────────────────☆
yueryue (yueryue) 于 (Mon Feb 5 17:36:10 2007) 提到:
如果个体差别不大,也许还能用。
但一般情况下,缺失50%以上的数据已经不太适合用来分析了

☆─────────────────────────────────────☆
lapringles (lapringles) 于 (Mon Feb 5 17:39:28 2007) 提到:
what kind of missing pattern? monotone? MAR,MNAR? haha.
statistical analysis of missing data by little and rubin
j*****g
发帖数: 222
16
phase I dose range define
怎么处理missing value and outlier?
如果我用glm model
难道missing value直接不管,outlier直接删除么?
谢谢啦!
g****n
发帖数: 18
17
来自主题: Statistics版 - Use SAS to fill in missing values?
Fill the missing values by repeating the values from the above non-missing
rows.
For example, before the filling the data look like
3270001111111 098766 7/31/2007 check 40000
3270001111111 098766 8/31/2007 .
3270001111111 098766 9/30/2007 IT 135000
3270001111111 098766 10/31/2007 .
3270001111111 098766 11/30/2007 .
3270001111111 098766 12/31/2007 .
3270001111111 098766 1/31/2008 .
3270001111111 098766 2/28/2008 book 75000
3270001111111 098766 3/31/2008 .
3270001111111 098766 4/30/2008 .
Then aft
A*********u
发帖数: 8976
18
来自主题: Statistics版 - Use SAS to fill in missing values?
不行
首先lag记录的是上一次你用lag的时候那个var_1的值
不一定是上一个obs里var_1的值
其次,这段code不能解决有多个连续missing的情况
这样
data locf;
set olddata;
retain lastnmis; ** means last no-missing value;
if var_1>.z then lastnmis=var_1;
else var_1=lastnmis;
run;

try the lag function:
data mydata;
set mydata;
if var_1 = . then var_1 = lag1( var_1 );
run;
t**c
发帖数: 539
19
来自主题: Statistics版 - 请问关于估计Missing data
如果Missing data属于MAR,该用什么模型来估计这个missing data point?
假设只有10来个data points,需手工计算。
非常感谢!!
a****3
发帖数: 11741
20
没看懂你要做什么,你是要estimate missing value吗?还是要算data set 中有几个
missing value?
s*******r
发帖数: 769
21
longitudinal的data analysis的最大问题好像是missing data
好像有很多讨论,最常用的是不是last observation carry forward?
用(一段时期的)平均值来代替missing values,怎么样?
l****a
发帖数: 352
22
as i understood, gee is based on moment, can't do well for missing value
mixed effects model is based on likelihood, can handle missing value
T*******I
发帖数: 5138
23
来自主题: Statistics版 - 如何处理这样的missing value?
MISSING value = UNKNOWN value
如果你要用一个确定的值取代一个missing value,就是用一个known value 取代一个
unknown value. This is absurd!
A*******s
发帖数: 3942
24
来自主题: Statistics版 - 如何处理这样的missing value?
sure u don't know the stat terms because u never read any stat text.
first i suggest u learn what is missing pattern. such statement "损失了
MISSING CASES的、只有随机误差" is invalid.

趣。
T*******I
发帖数: 5138
25
来自主题: Statistics版 - 如何处理这样的missing value?
让我们看一个具体的实例。
假设100个被抽样的个体有10个在被测变量上发生missing,你是愿意用90个个体的均数
去取代那10个missing values然后再计算一个均数? 还是直接使用90个个体计算出来的
均数?假设这是一个单变量情形,且被测变量是连续型的。
o*****a
发帖数: 229
26
请问大家,如果我有一个 ,delimited text file,有些records have multiple rows,
而且有missing value 没有comma 隔开。
在读成sas数据的时候,如何才能让其读成一个record?
例子:其中id 102 有两行,但是属于同一个record. 101 有 没有隔开的missing
value. 我如何在才能正确得到我想要的数据。前次问,有建议说用@@。 可是那样会把
102 读到101 一起去。
谢谢各位高手的帮助!
id name r1 r2 r3 r4 r5
100, Grace, 3,1,5,2,6
101, Martin, 1,2,4
102, Scott, 9,10,4,
5, 6
103, Bob,2 ,1, 2, 2,4
D******n
发帖数: 2836
27
来自主题: Statistics版 - [Q]One method with missing value
lol, this is common practice in bank/credit bureau. as LS mentioned, the ne
w assigned value would not change the modeling, but it might give some convi
nient values for estimate the effect of the missing value.
The logic behind this is, i think, is that the missing values in trade histo
ry is not that random, they mean sth and can be grouped into one special cat
egory for modeling.
A*******s
发帖数: 3942
28
来自主题: Statistics版 - [Q]One method with missing value
thanks for ur guys' opinions. my intuitive understanding is that this method
assumes the linear relationship (all slopes, particularly) in the model
holds for both missing and non-missing cases, except for with different
intercepts. I am just not sure how robust this assumption could be.
s**********l
发帖数: 395
29
You means creating a dummy variable A, if the predictor's value is missing
then set A=0, else set A=1?
If the input variable which has many missing values is continuous variable,
is it still OK to use dummy variable?
Thanks.
d******9
发帖数: 134
30
来自主题: Statistics版 - missing data imputation
lz这些data是做什么用的呢?
我最近做的一个project,用来match patients的若干covariates中有些也有missing
data. 我的advisor说用mean imputation既可,我有几个covariates有大约25%的
missing,他说这样的比例不能用imputation了。具体的threshold或者其他详细的
guideline我也不清楚,等其他人来解释吧。
z**********i
发帖数: 12276
31
来自主题: Statistics版 - missing data imputation
想做点disparity的分析。
race在最初2年,很多missing,后来,好了很多.
有2篇文章介绍,geocoding和surname来填补missing,可能以后会试试。
basic imputation methods: case complete,locf,mean.
后来,有hot deck imputation, multiple imputation.
我也没有经验,具体在实际中该用什么,不太清楚。
c********d
发帖数: 253
32
来自主题: Statistics版 - missing data imputation
Propensity score will create large bias when data is not monotone missing.So
I don't recommend that approach. A lot of methods can be used in your case
if you only have one missing variable, such as hot-deck, predictive mean
matching using a logistic model. You can also use multivariate probit model
for your case since race is nominal. By using multivariate probit model, it'
s easy to develop MCMC algorithm to do multiple imputation.
l******1
发帖数: 292
33
来自主题: Statistics版 - missing data questions
it depends on how many missing data you have, if over half of them missing,
it's not good to use imputation.
x********8
发帖数: 50
34
来自主题: Statistics版 - missing data questions
确实不是 missing data 的问题。

missing
i******r
发帖数: 861
35
如下数据:每个ID出现2次,m1/m2各有missing
ID m1 m2
1 . 120.30
1 117.95 .
2 . 118.91
2 121.15 .
3 . 121.23
3 118.19 .
... 阅读全帖
a******n
发帖数: 11246
36
我在build一个model的时候,用proc MI来impute missing values,然后得到一个
model equation。
现在我需要用这个equation来predict,那么input里的missing value怎么处理呢?用
同一个变量在build sample里的mean/median?还是有更好的办法?
Thanks!
n******u
发帖数: 79
37
我有一个dataset里面有一些varibles含有missing value
我想用SAS 的proc MI 去impuate missing data。
我打算 用 statement “nimpute=5”来产生5 个 imputed datasets。
可是之后怎么将这5 个 imputed datsets combine 成一个 最终的 dataset 呢?
是要算平均值吗?
没有用过proc MI , 请大牛赐教。
m*****y
发帖数: 2
38
来自主题: DataSciences版 - 求handle missing data的好方法
初学ML,感觉很多data set处理起来的时候都要考虑如何handle missing attribute,
想问问版上大牛一般是怎么处理的,有没有好的paper或文档推荐? 我查到的方法:1
)fill with mean/median 2) build model to predict missing value, like KNN or
any predictive modeling method, 3) 想不出来了。。 希望版上牛牛多多回复。
a***a
发帖数: 2493
39
来自主题: CellularPlan版 - hangouts missed call 问题始终没解
因为对方等到gv voice mail接管,就不算missed call,算vm,所以只会收到到vm
email。

:今天GV和hangouts同时漏接电话,在信号很好,没有移动的情况下。没有miss call
:email,直接一个voicemail email。
a***a
发帖数: 2493
40
这两天在disable doze后(就是battery选项里不要对hangouts和hangout dialer进行
battery optimization),貌似missed call问题得到解决。以前在5.x版没此问题,后
来三台机用了6.0.1后都有missed call,看来应该是doze mode造成的。
诸位不妨试试!!! !!!!!!!!
上来汇报。
w*******y
发帖数: 60932
41
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w*******y
发帖数: 60932
w*******y
发帖数: 60932
43
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w*******y
发帖数: 60932
44
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